mixin Radio
{
  abstract Float frequence
  Void incrementFrequence() { frequence += 0.1f }
  Void decrementFrequence() { frequence -= 0.1f }
}

class NRJ : Radio
{
  override Float frequence := 95.6f

  new caca(Float freq)
  {
      this.frequence = freq
  }
}














